4I3-GS-7d-01
The 35th Annual Conference of the Japanese Society for Artificial Intelligence, 2021ŷƙƃƋýāÙjCťŚūťƃƆŷƛĄÌŤŮűn·ƍŷŶƃWä(81@5291C54<51B>9>7EC9>7CDI<5DB1>C65B6?B9=@B?F9>7133EB13I?69<<ECDB1D9?>B53?7>9D9?>
CpĪ ƂŹƎƚƠ ±ďĪ  TDĪ °> )1;1IE;9,1D1>125

E>:9.1=1D?

hĪ 6ĥ yĪ Xã `Ī l 

9B?D?C89)19B1

9B?=9$1B9=1DCE

9B?1;9(E79I1=1

566B5I!?E7?

bWěTWTĚb£TW  $)) ſƓƗƌžƠƁƘƞËWNÉÈÐ{!?71;E9>*>9F5BC9DI

%C1;1>CD9DED5?6)538>?<?7I$))?==E>931D9?>(395>35"12?B1D?B95C

<<ECDB1D9?>9=175CCE381CD8?C5EC541C?@D9?>C9>>7<9C85H1=AE5CD9?>CD5>4D?81F5<?G5B133EB13ID81>@8?D?7B1@8C9>
?2:53DB53?7>9D9?>EC9>7$$5D3D81C255>@?9>D54?EDD81D$$<51B>C=?B5D5HDEB5D81>C81@59>?2:53DB53?7>9D9?>G89389C
@B5CE=12<I1>?2CD13<5D?9=@B?F9>7D85B53?7>9D9?>B1D5?69<<ECDB1D9?>9=175C>D89CCDE4IG5DB9541=5D8?4D81D9>8929DCD85
<51B>9>7 ?6 D5HDEB5 9>6?B=1D9?> 2I CI>D85C9J9>7 F1B9?EC D5HDEB5C 6?B ?2:53D 9=175C ?6 D85 C1=5 C81@5 ED9<9J9>7 CDI<5 DB1>C9D9?>
@B?=?D9>7D85<51B>9>7?6C81@59>6?B=1D9?>1>43?>69B=54D859=@B?F5=5>D?6D85B53?7>9D9?>B1D5?69<<ECDB1D9?>9=175C
 >7@< &'-złŦơiŤėUœŚLÑvOWÈÐ{ť bÇèƐƝƂŹżƋŃƝƑƈƋŦTŤ!Ųűŋń/  0ŤŊŇşơƅƞ
ƆƠûĩëþťŷƙƃƋFĦŤ:ŰÞŵŠŇűƢ(ĦŒŲűŷƙƃƋÀŋůŋŲşŇűŻƏƂŹżƋŴýāơK cŤÊŕơƍƈŽţŢť¥Ťżƙƃ)ħœşŘťßŴôÕŤ½Ňűô«ŠÈÐŌíųŲşōŚŌơŐŲũŠť:ŰÞŪťŠơŷƙƃƋŠŋŲŚŻƏƂŹżƋŤ]ŕűýāÙjŌ&ÆŤ]ŕűýā
ÙjŮŰŬŇšŇňÿĦŌŒŲşŊŰơ&ÆŤŦţŇŷƙƃƋ¶ťFĦťoĤŌÊEŒŲşŇű/ 0ƢK Ī ƅƞƆƠûĩëþťŷƙƃƋFĦťcŋů ijûíơ  ijûơ  ijĈû &'%$ÈÐŠŦŷƙƃƋÀŤ]ŕűýāÙjťCŴÅÃšŕűŌơƅƞƆƠûĩëþŠ(ĦŒŲűŷƙƃƋFĦťnkŦ¥łņŰơFĦŤtŔşôÕũŠťċÍŭ'»ŌÁţűƢŘŐŠơƅƞƆƠûĩëþŠ(ĦŒŲűŷƙƃƋFĦťnkŤŞŇşơŃĎçĘťdÁŌŢť¥ŤøŏůŲşŇűŋńŤ¬ÅœşK ť ÎħŤ)ħœŚƢFĦťnkšœşơK ťcŋůơŃ5ťŻƏƂŹżƋťČ
ŇńơŃŻƏƂŹżƋĘťâęńơŃ¶YťŻƏƂŹżƋťµńŌŘŲřŲĎçĘťdÁšţŝşŇűƢŐť Şť%ơ5ÜţnkŦŃ5ťŻƏƂŹżƋťČŇńŌĎçĘťdÁšţű
FĦŠņű/Ä 0ƢŘŐŠơÈÐŠŦ5ťŻƏƂŹżƋŌŋŲŚŷƙƃƋF
ĦŤàŝş:Ű}ňƢŕţųŜơÈÐťÅÃŦơŷƙƃƋŠ
ŋŲŚ5ťŻƏƂŹżƋŤ]ŕűýāÙjŴCŒŗű ŠņűƢŘť´ơŷƙƃƋÀŤ]ŕűýāÙjŌŇÿĦŤŞ
Ňş7JŴå\œơ'?25BD ů/59B8?C 0ťŶƐƝƠƇŴč½œ
şýāÙjť¨ąơ¢ùŴíŝŚƢ

K Ī =175$5D ŠWäœŚ '5C$5D Ť ťÀŴýāŒŗŚßcŋůĂơ¸ơ¸ťĆđšĂťƉżƃƇƖť@yÀ &'=DLOPH
 ,&'<94:
'?25BD ůŦơ=175$5D ŠWäœŚ '5C$5D Ŵ½ŇşK <ŤÊŕ¥ţ¸ťĆđŤĂťƉżƃƇƖŴ@yœŚÀŴýāŒŗŚƢßơ'5C$5D ŦƉżƃƇƖvOťŠņűĂťżƙƃ
ŴýāœŚƢŤơ=175$5D ŴWäŒŗŚ  Şť $$'5C$5D ơ<5H$5Dơ??7"5$5Dơ+ šïĩæ  BŴ]ĂŤ ŞťÀnkőšŤÀť  żƙƃ)ħŴíŝŚƢßơÀŤƉżƃƇƖvOŴŞ ?B979>1< š 7B5IC31<5 ÀŦ ĘšAÔťÙjŴÊœŚŌơƉżƃƇƖvOŴŚţŇ C9<8?E5DD5ơ5475C
ÀŤ]œşŦ ĘŤýāÙjŌœŚK ƢĊá ƣCpƂŹƎƚƠơbWěTWTWěvOW^ơĪŅĮĳįīĭĭĮİĪ Ē#ºVfĕ¿ įııİīĮơĪķļįĭĭĭĲĴĽŀĬĻľĸĵĻŁĹĽĬĵĶĬĺĿĪ 

4I3-GS-7d-01
The 35th Annual Conference of the Japanese Society for Artificial Intelligence, 2021ťßŋůơ$$ ŌÀťWäŴíňĠơÀťn·vOŮŰŬƉżƃƇƖvOŤĔōŴŊŇŚƉżƃƇƖƍŷŶƃťWäŴíŝşŇű ŌůŋŤţŝŚƢũŚơŐťĀŠŦ =175$5D ťÀŤ¥łţƉżƃƇƖŴŞÀŴ¼yœ (DI<9J54=175$5D šŇňƊƠƆƅƈƋŴyœş
$$ ŤWäŒŗű ŠơÀťƉżƃƇƖvOŴÑ2ơn·ƍŷŶƃţWäŴíųŗű Ō;èŠņű ŌÊŒŲŚƢK Ī Wä½ťŷƙƃƋÀŋůźƈƂ¢(šƁƛźƈƋŴ@yœŚÀK Ī $$ š ĘŤŮű  ŞťÀnkőšť  żƙƃ)ħ
ť¦Õ¹
ÀnkőšŤơc  ť¡ŽƙƎŌ? $$ơ<ť ŌĘť¦Õ¹ŴÊŕK Ī ZĩŠ½wœŚƉżƃƇƖ½ÀťĐ
&("+%  ŮŰ ŴĎY ENGJ#=/0)54<94:
8åÈÐŮŰơ$$ ŌÀŴWäŕűĠơżƙƃ)ħŴíň
ŠŦƉżƃƇƖƍŷŶƃťWäŴíň Šôªœşœũň¶uŌůŋŤţŝŚƢŐť ŋůơÀőšťƉżƃƇƖvOŤR
2Ō_ţŇŷƙƃƋÀŠŦWäŌĢœŎơŐť¶uŌŷƙƃƋÀŤ]ŕűýāÙjŌŇ7JŤţŝşŇűšåŉůŲűƢŘŐŠơŐťÿĦŤ]ŕű šœşơWä½ťŷƙƃƋÀŋů¥łţƉżƃƇƖŴŞÀŴ¼yœơWäŤ,½ŕűŐšŠ
Ażƙƃ%ŤŊŏűÀťƉżƃƇƖvOŴÑ2ŒŗűƢŐ
ŲŤŮŰơn·ƍŷŶƃţWäŴíųŗűŐšŌŠōơýāÙjŴCŠōűšåŉŚƢK Ī %CD17B1= Š@yœŚÀťĐ3

3%$ZĩŠŦơƃƆŷƛĄÌŴWä½ÀŤč½œŚP@šœţŋŝŚP@ťWäŤŊŏűýāÙjťR2Ŵö²ơ¨ąŕű ŴÅÃŤơŷƙƃƋÀť żƙƃ)ħ2172??; ť żƙƃŴíŝŚƢ

K Ī /59B8?C 0Š½ŇůŲŚƃƆŷƛĄÌťcŌÀơ<ť Ōč½pťÀ

IFGHMC9#="<94:Wä½ťŷƙƃƋÀŋůSťƉżƃƇƖŴŞÀŴ¼yŕű«ŤŞŇşơÈÐŠŦƃƆŷƛĄÌšŇň|«Ŵ½ŇşÀť¼yŴíŝŚƢƃƆŷƛĄÌšŦơK  ť¥ŤťÀŤźƈƂ¢(ŴíŝşÀťn·vOŴ(œơ+ťÀŴƉżƃƇƖšœş@yŕű|«ŠņűƢŐť|«ŴơðťƉżƃƇƖ½ÀŴ½wœşč½ŕű ŠơAn·Š¥łţƉżƃƇƖŴŝŚÀŴƉżƃƇƖ½Àť)¼yŕű
ŐšŌ(űƢÈÐŠŦơWä½ťÀŤźƈƂ¢(šƁƛźƈƋ2ŴœşŘŲůŴ@yœŚÀK šơƉżƃƇƖ½Àšœş&("+% ƊƠƆƅƈƋŋůĎYœŚ ťÀK Ŵơ
%CD17B1=/#?BE79>0Ŵ½Ňş¼yœŚK Ƣ

32

Wä½ÀŤ?ÎZĩŴč½œşƊƠƆƅƈƋŴyơŘŲřŲWäŴíŇơýāÙjŴÊŕ 133EB13I ťŴ¨ąœŚƢWäGŤŦ (((9>7<5(8?D#E<D9?H5D53D?B/,59 0Ŵ
½œŚƢZĩť®ŲŴŤÊŕƢ Wä½ťŷƙƃƋÀŴ9ġơZĩŤ@ųŗş/bƢ /bœŚÀŤ3B?@ š C896D ŴíŇ 1D1E7=5>D1D9?> ŴZơƊƠƆƅƈƋŴyƢ ƊƠƆƅƈƋŴWä½ƣ¢ù½ Ť)ŏş 6?<43B?CCF1<941D9?> ŴíŇơ133EB13I Ŵ  IťhMŠ×(ƢK ŴZĩőšŤíŇơ×(œŚ 133EB13I Ŵ¨ąƢ
î Ī ?Zĩ 

4I3-GS-7d-01
The 35th Annual Conference of the Japanese Society for Artificial Intelligence, 2021ƀŷƄƃƆŷƛĄÌťµ
1D1
E7=5>D1D9?> µ §ğ   @9H5< @9H5<µ7B5I   §ğ§ğ§ğ  §ğ





3

î Ťơ?Zĩť%[ŴÊŕƢ
1D1 E7=5>D1D9?> ŤŦơ 3B?@ơC896D Ŵ½ŇşƊƠƆƅƈƋť
mŴíŝŚƢ3B?@ Ŧ¼yœŚÀŴ*Ű~ŋţŇP@šÀťHĞŋů  @9H5<   @9H5< Ť*Ű~ŇŚŬťŴ@9H5< @9H5< ŤTœŚP@ť  §ğŠč½œŚƢC896D ŦơÀ"Ŵc<ŤŘŲřŲT @9H5< )Ì1ŒŗŚƢZĩ ŠŦơq|«šœşWä½ťŷƙƃƋÀŧťƃƆŷƛĄÌŴíųŖơ §ğť 1D1 E7=5>D1D9?> Ŵč½œ
Ś@ö  ťƊƠƆƅƈƋŴ½ŇŚƢZĩ ŠŦơ|«šœşťƉżƃƇƖ½ÀŴ½ŇşƃƆŷƛĄÌŴíŇơ §ğť 1D1 E7=5>D1D9?> Ŵč½œŚ  ťÀŴƊƠƆƅƈƋšœŚƢœŋœơZĩ š ŠŦƊƠƆƅƈƋťŌÁţű´ơZĩ ŠŦơWä½ÀŧťƃƆŷƛĄ
ÌŦíųŖơC896D ť-ŪgŴÝŋŎœş 1D1 E7=5>D1D9?> Ŵ §ğŤmœŚ  ťƊƠƆƅƈƋŴ½ŇŚƢZĩ ŠŦơ½wœŚƉżƃƇƖ½ÀŴŽƜƠƃžƠƛ2œŚ·xŠƃƆŷƛĄÌŴč½œơ1D1E7=5>D1D9?> ŠŴmœŚ  ťÀŴ½ŇŚƢZĩ  ŠŦơƃƆŷƛĄÌŴč½œơ1D1E7=5>D1D9?> Ŵ  §ğŠmœŚ@ö ťÀŴƊƠƆƅƈƋšœŚƢK Ī ZĩőšťýāÙjŤŞŇş

3*

K  ŤơZĩőšťýāÙjŴÊŕƢŘŲřŲơŦ ơ Ŧ  ơ Ŧ ơ  Ŧ  ơ  Ŧ  ŠņŝŚƢ ,   KEDG +=.
?ZĩťƊƠƆƅƈƋŴWäœŚ (( Ŵ½ŇşơK cťFĦŠĎçŤøŏůŲşŇű 217ơ2??; ťÀŴýāŒŗ
ŚƢßơq|«Šņű ơ ťƊƠƆƅƈƋŠWäœŚ
ƕƊƛŠŦ |«Šņű ơơ Ť¨ŨơťŷƙƃƋŤ]œşAťżƙƃŴðýāŕűP@K ŌSŎòůŲŚƢ
Őť7JŤŞŇşơq|«ŠŦƉżƃƇƖƍŷŶƃŠťWä
ŌíųŲơÀ%ŠƉżƃƇƖvOŌēœşŇűÖ{ŴŻƏƂŹżƋšœşýāœşŇűŐšŌ7JšœşåŉůŲűƢũŚơ|«ŠŦťÀŤ]œơAťżƙƃŌðýāŒŲű
ŐšŌ_ţŋŝŚ´ơn·ƍŷŶƃWäŌíųŲŚšåŉůŲűƢK Ī À%ŤAżƙƃŴðýāœŚZĩ ťƊƠƆƅƈƋŴWäœŚƕƊƛŮŰ <AB)=.
³ÅŤơ š ŮŰơ |«Šņű ťýāÙjŌq|«ť š¨ąœşÛ ÙjťCŌòůŲŚƢA¥Ťơ š  ŠŦ |«Šņű  ťýāÙjŌq|«Šņű š¨ŨşÛ CœŚƢœŋœơ  ØŠŬćŨŚĉŰơ |«ŠŦƃƆŷƛĄÌŤŮŝşƊƠƆƅƈƋťŌŤQ/ŕű´ơCœŚ7JŌƉżƃƇƖvOťÑ2ŤŮűŬťŋŦŠņűƢũŚơŴŉŚ š Ŵ¨ąŕűšơ |«Šņű ťýāÙjŌq|«Šņű Ť¨ŨÛ œŚƢŐť7JŤŞŇşơť ³ŌåŉůŲűƢ• ƉżƃƇƖ½ÀťŌăŰŖơƉżƃƇƖvOťÑ2ŌăœşŇŚƢ• ZĩŠ½ŇŚƉżƃƇƖ½À ť¶rĖŤŰŌ
Â¼œơƉżƃƇƖvOť$ĉuŴWäœşœũŝŚƢ IFGHM C(68B#1=, pŤơƉżƃƇƖvOťÑ2ŤsñţÀť¶rĖšœşÀťêvOťsñuŴ¢÷œŚƢŘŐŠơ š  Ŵ¨ąŕűšơƉżƃƇƖ½ÀŴŽƜƠƃžƠƛ2ŒŗŚ  Ō Ť¨ŨşýāÙjŌÛ CœŚƢŐť7JŤŞŇşơ
ť ³ŌåŉůŲűƢ• ƉżƃƇƖ½ÀťêvOŤŰŌÂ¼œşŇŚ´ơŽƜƠƃžƠƛ2ŤŮŝşÀťêvOŌµŎţŰýāÙjŌCœŚƢ• ŷƙƃƋÀťýāŤêvOŌñŠņŰơŽƜƠƃžƠƛ2ŤŮŝşýāŤsñţ¶rĖŌ.ĜŒŲŚƢ 

4I3-GS-7d-01


The 35th Annual Conference of the Japanese Society for Artificial Intelligence, 2021

 ?;@ÈÐŠŦơŷƙƃƋŠŋŲŚ5ťŻƏƂŹżƋŤ]ŕű
ýāÙjŴCŒŗűŐšŴÅÃŤơWä½ÀŤ¥łţƉżƃƇƖŴŞÀŴ½ŇşÀťn·vOŤĔōŴâŇŚn
·ƍŷŶƃťWäŴíŇÙjŌCŕűŋŴ¢ùœŚƢßơn·ƍŷŶƃťWäŌíųŲơ |«ťýāÙjŌq|«Ť¨ŨşTŠÛ CœŚŌơAŔŠ¨ąŕűšý
āÙjŦÛ œŚƢÏŠÊœŚZĩŠŦWäƊƠƆĖŌũś3)ŤSŇšŦ
õŉţŇƢqŝşWäƊƠƆĖťQ/ŤŮűÙjCŌTōŎoĤŕű´ơƉżƃƇƖÑ2ť0Ŵ¦œŎò¤ūűŤŦ3)ŠņŝŚƢŘŐŠWäƊƠƆQ/ŤŮűoĤŴ ĜœŚúŴíňŚūơƊƠƆƅƈƋťŴŤQ/ŒŗơýāÙjŌ
ĨDœŚ·xŠƉżƃƇƖvOťÑ2ŴíňsñŌņűƢpŐňœŚŠýāÙjŴö²œơŮŰč*ţúŴíňYŠņűƢ,!/  0 ÚVơaơLƝƑƈƋŦTŤ!ŲűŋƤMơbÇèWü e= ơƢ/ 0 Çơ%¾ģơTD°>ơ`lơLƅƞƆƠûĩëþŷƙƃƋFĦťÀýā ŷƙƃƋšŽƜƠƃžƠƛÀ  ť ó j R 2 Ť ] ŕ ű © 2 u è ť ¨ ą  M ơÓ IÀťýāƟ»ôƁƞƒƂŸƔơ Ƣ/Ä 0 Äĝơ4­¯ơLÀšÒÇāťì@ŤŮűëþƉƃƋé1ôÕ|«ťÈÐMơvO'»WÓ  I"LTơƢ/59B8?C 0 '?25BD 59B8?Cơ5DƢ1<ƢL=175$5DDB19>54 $$C
1B5 291C54 D?G1B4C D5HDEB5 9>3B51C9>7 C81@5 291C 9=@B?F5C
133EB13I1>4B?2ECD>5CCMơ"'ơ Ƣ/#?BE79>0L%CD17B1=M
8DD@C GGG?CD17B1==5 <5>D1<?31<55>Ƣ/,59 0,59"9Eơ5DƢ1<ƢL(((9>7<5(8?D#E<D9?H5D53D?BMơ1B-9F  F/3C+0 53 Ƣ